Home / 19,267.11-28,900.02-8,166.66

Finding the Fourth Proportional to 19,267.11, 28,900.02 and 8,166.66

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Solution

The fourth proportional to 19,267.11, 28,900.02 and 8,166.66 is: 12,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.11 : 28,900.02 = 8,166.66 : x
  2. Step 2: Convert to fraction form
    19,267.11/28,900.02 = 8,166.66/x
  3. Step 3: Cross multiply
    19,267.11x = 28,900.02 × 8,166.66
  4. Step 4: Simplify right side
    19,267.11x = 236,016,637.33
  5. Step 5: Solve for x
    x = 236,016,637.33/19,267.11
  6. Step 6: Final answer
    x = 12,249.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.